Valve for water-pipes



. Ultras States aren f aerea.

' I WILLIAM KAlSERi, OF WILKES-BARR, PENNSYLVANIA.

VALVE FOR WATER-PIPES.

SPECIFICATION forming part of Letters Patent No. 252,951, dated January 31, 18E2, i

Application lled July 13, 1831. (No model.)

To all tohom it may concern Be it known that I, WILLIAM KAISER, aeiiizen of the United States ofAmeriea, residing at Wilkes-Barr, in the county of Luzerne and State of Pennsylvania, have invented certain new and useful ImprovementsinVnlves foNVater-Pipes; andIdo hereby declare'thefollowing to beafulhclear, and exact description of thc invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of ret'- erence marked thereon, which form a part ot' this specification.

Myinvention relates to certainimprovements in valves of flushing supl'ily-pipes for waterclosets, urinals, Src., and will tirst be described, and then designated in the claims.

The objectot' the invention is to combine in a water-valve such parts and construction as will serve the double purpose of, first, a valve by which the water may be let on, and, second, a self-acting check-valve, by which, should the valve-handle be drawn out to open the valve at a time when the main supply is temporarily turned oft', (as when repairs are being made,) tilth or foul gases will be prevented from entering back into the supply-pipe.

In the drawings hereto a-nnexed, Figure l is a section of the improved parts combined in a valve. Fig. 2 is a section of the self-act in g check-valve separate] y adapted for use with the ordinary ushing valve or cock as heretofore constructed. Fig. 3 shows the check-valve applied to the supply-pipe of a water-closet.

As shown in Fig. l, the ealve-case A is designed to be supported bythe shank A', whose end b ente-rs a hole in the shelf B, attached to the water-closet.

C designates the supply-pipe; D, the pipe from which is discharged the Bushing-water, and E the stem at the end of which th'e drawing mechanism is attached.

The check-valve G closes against a seat, h, and the said valve is provided with slide-stems g on each side, which have bearings in the two perforated diaphragms t', by which means the valve may be moved to or from its seat. A spiral spring, k, surrounds one of the stems, and bears against one of the diaphragms and the valve, serving to keep the valve normally toits seat. The caseot' the check-valve is made in two parts, the separation or joinderot which is at a point between the two diaphragzns. A washer, la', is provided to make thejoint tight, and a screwcoupling7 L, to secure the two parts together. This valve is designed to close against the iiow ot' water, as indicated by arrows in the drawings, the tension of the spring 7c exerting pressure sufficient to keep the valve closed when the water is turned oft' in the supply-pipe C. When this valve is open the water passes through the trst diaphragm, next past the valve, and then through the second diaphragm into the discharge-[npc l).

The stem E, by drawing which the valve is opened, carries a disk or head, c, on one side of which a cup-washer, d, is secured bya plate or disk, 0, held tightly against the washer by a nut, f, on the threaded end of the stem. The washer closely tits the barrel or cylinder of the valve-case A, and the end ofthe latter isclosed by a cap, L', and made tight by a Washer, m, and plate n. A chamber, P, is thus foi med inthe valve-case, and a small duct or passage, q, in

the end of the stem leads from the chamber to the discharge-pipe D.. A suitable packing, r,

around the stem and within the cap L makes g and holding the said valve to its seat against the pressure of the water.

The operation of the Valve is as follows: The chamber P stands full of water, and upon the stem E being drawn out the water is expelled through the duct q and around the circumference of the cup-washer d, and the spring S is compressed. By thus withdrawing the stem E from contact with the stem g of the check- Valve the pressure ofthe water in the supplypipe forces the check-valve away from its seat, and the How of water through the Valve and out at the discharge-pipe is at once established. Now, upon releasing the pull or draft on the stem E, the spring S will exert such pressure as will, by pressing this stem against IOO the check-val ve stem, close the latter to its seat againstthe fiowof' water. Instead of' the spring S, a weighted lever may be employed to exert the requisite pressure against the valve. The

movement of the stem E, when closing, is re Ypulled out at any time when the main supply is shut ofi" from the supply-pipe C, the checkvahe will not. leave its seat, since it is held thereto by the spring lo, and thus the checkvalve serves to prevent filth or f'oul gases from entering the snpplypipe. This latter result is of' great importance, as by the ordinary fiushing` valves and cocks now employed the whole system of' water-pipes in a house is liable to be contaminated upon the opening' ot' the valve, when the main supply is eut off, by the backfiow of filth or the entry of f'oul gases which may be at or near their mouths.

The foregoing description relates to the combination of' the check-valve with an ordinary water-closet valve. The check-valve is j ust as effective when connected to the supply-pipe and used in combination with an ordinary flushing-cock attached to a water-closet, as shown in Fig. 3.

Having described my invention, I claim and desire to secure by Letters Patent of the United Statesl. The combination of a valve which closes against the Elow of the liquid, means to hold the valve normally to its seat, except when the pressure of' liquid is on, and an independentlymovable stein, which abut-s against the valve and is adapted to hold it rigidly to its seat, as set forth.

2. The combination of a va've which closes against the flow ot" the liquid, means-to hold the valve normally to its seat, except when the pressure of' liquid is on, an independently-movable stein, which abuts against the valve, and means to exert sufticient pressure to close the valve to its seat against the flow of' water, as set forth.

3. In a water-closet or urinal, the combination of' a water-supply valve and a check-valve detached therefrom, which closes to its seat against the flow of water, and is opened solely by the current when the supply-valve is opened, whereby, if' there is no currentin the main supply-pipe, the check valve will remain closed upon opening the supply-valve and prevent back-flow into the main pipe ot' soietl water or filth, as set forth.

In testimony whereof I affix my signature in presence of two witnesses.

VILLIAM KAISEP.

Vitnesses:

JonN Znrs, FaEDnRrcK Trims, Jr. 

